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Bias. Can you avoid it? Common forms of bias to avoid. Survey outcome. Girls clearly outperform boys in performance as shown by the number of stars awarded. Girls are also more advanced in their reading skills. Girls clearly outperform boys in performance as shown by the
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Bias Can you avoid it? Common forms of bias to avoid.
Survey outcome Girls clearly outperform boys in performance as shown by the number of stars awarded. Girls are also more advanced in their reading skills. Girls clearly outperform boys in performance as shown by the number of stars awarded. Reality – there are only 10 boys in this class, 22 girls, of which 16 girls have birthdays in September, October and November. All bar one of the boys have birthdays after March.
Jargon • The standard deviation of the attendance from the first school is worse than the variance in the second school • 10% of that 80% of poor readers could not punctuate correctly • The chi-squared index of 5.5 shows errors in the marking scheme.
